Process for preparing metal cyanide complex catalyst

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Inorganic carbon containing

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502200, B01J 2726

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active

051589222

ABSTRACT:
Highly active double metal cyanide complex catalysts suitable for use in ring-opening polymerization reactions may be prepared in filterable form by controlling the order of reagent addition, the temperature of the reaction medium, and the stoichiometric ratio of the reactants.

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